Wipe the objective lens with a lint-free optical tissue and 99% isopropyl alcohol.
, typically T3.15A 250V) located near the AC inlet receptacle. Preventive Maintenance Schedule topcon kr8900 service manual exclusive
Lubricate the XY glide pad and elevation gears using a microscopic film of high-viscosity synthetic grease. Wipe the objective lens with a lint-free optical